ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,299, issued on Sept. 30, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).

"Electrolytic capacitor including an anode body having non-uniform density" was invented by Norihiko Ogata (Saga, Japan), Yuma Yano (Saga, Japan), Kazuhide Gotou (Saga, Japan), Yukiyasu Sugihara (Aichi, Japan) and Masayuki Hogiri (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electrolytic capacitor includes a capacitor element that includes a porous anode body including an anode base body and a dielectric layer formed on a surface of the anode base body, and a solid electrolyte layer that covers at least a part of the dielec...